import { login, logout, getInfo } from "@/api/user";
import { getToken, setToken, removeToken } from "@/utils/auth";
import { resetRouter } from "@/router";

const state = {
    token: getToken(),
    name: "",
    avatar: ""
};

const mutations = {
    SET_TOKEN: (state, token) => {
        state.token = token;
    },
    SET_NAME: (state, name) => {
        state.name = name;
    },
    SET_AVATAR: (state, avatar) => {
        state.avatar = avatar;
    }
};

const actions = {
    // 用户登录
    login({ commit }, userInfo) {
        const { username, password } = userInfo;
        return new Promise((resolve, reject) => {
            login({ username: username.trim(), password: password })
                .then(response => {
                    const { data } = response;
                    commit("SET_TOKEN", data.token);
                    setToken(data.token);
                    resolve();
                })
                .catch(error => {
                    reject(error);
                });
        });
    },

    // 获取用户信息
    getInfo({ commit, state }) {
        return new Promise((resolve, reject) => {
            getInfo(state.token)
                .then(response => {
                    const { data } = response;

                    if (!data) {
                        reject("Verification failed, please Login again.");
                    }

                    const { name, avatar } = data;

                    commit("SET_NAME", name);
                    commit("SET_AVATAR", avatar);
                    resolve(data);
                })
                .catch(error => {
                    reject(error);
                });
        });
    },

    // 退出登录
    logout({ commit, state }) {
        return new Promise((resolve, reject) => {
            logout(state.token)
                .then(() => {
                    commit("SET_TOKEN", "");
                    removeToken();
                    resetRouter();
                    resolve();
                })
                .catch(error => {
                    reject(error);
                });
        });
    },

    // 移出token
    resetToken({ commit }) {
        return new Promise(resolve => {
            commit("SET_TOKEN", "");
            removeToken();
            resolve();
        });
    }
};

export default {
    namespaced: true,
    state,
    mutations,
    actions
};